A reactive polystyrene-block-polyisoprene star copolymer as a toughening agent in an epoxy thermoset

被引：0
|
作者：
Raju Francis
Deepa K. Baby
机构：
[1] Mahatma Gandhi University,School of Chemical Sciences
[2] St. Joseph’s College,Post Graduate & Research Department of Chemistry
[3] Devagiri,undefined
来源：
Colloid and Polymer Science | 2016年 / 294卷
关键词：
Star polymer; Self-assembly; Epoxy thermoset; Nanodomains; Toughening;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A polystyrene-block-polyisoprene ((PS-b-PI)3) star polymer was synthesized by photochemical reversible addition fragmentation chain transfer (RAFT) polymerization. The obtained star polymer was epoxidized and used as a toughening agent in an epoxy thermoset. The incorporation of the epoxidized star polymer resulted in the formation of nanostructures and it was fixed by a crosslinking reaction. The formation of nanostructures in the thermosets follows the mechanism of reaction-induced microphase separation. The mechanical properties such as toughness and tensile strength were considerably increased due to the nanostructures formed by reactive blending.
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页码：565 / 574
页数：9
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